external image stage-of-cognitive-development.gif

Piaget:
First watch this video about object permanence:


And, watch this video about the stages:

Well, friends and colleagues, our host Erin and Carol Gilligan challenged my theory of cognitive development (pp. 58-59) because they said I did not have enough female participants. But, I am a real scientist! Now that you've seen the video tell me what questions you still have, what you noticed happening in the video based on my theory, or what you disagree with me on about my theory. Does it not have relevance to your work? Use page numbers and key terms.